Abstract: been replaced with its equivalent circuit model and the value of VZ is therefore given by (at a , Reference Error Amplifier Vref VO + Figure 1­2. Voltage Regulator Equivalent Circuit Model , 3. Amplifier Output Impedance Referring back to Equation (9), it can be seen that the equivalent , an MC1723CP for a TA(max) = 25°C. http://onsemi.com 19 R2 100pF Cref RSC R1 , MC1723CP for a TA(max) = 70°C. To obtain greater output currents with the MC1723C MC1723C the configurations ...